A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
今川 峰子. "302 方向概念課題・水平概念課題・直線の構成課題による幼児の空間概念の発達について(発達13,研究発表)." Annual Convention of the Japanese Association of Educational Psychology 21.0 (1979) 272-273